Should I play Atomic Heart or ASPIS first?

If you want chronology, Atomic Heart (2023) came out before ASPIS (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.

Are Atomic Heart and ASPIS similar?

They overlap on Action, Adventure on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.

Does Atomic Heart run on Steam Deck?

Yes — Atomic Heart is rated Deck Verified by Valve. ASPIS doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.

Atomic Heart vs ASPIS

Atomic Heart and ASPIS both land in Action, Adventure on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Action, Adventure on Steam. Atomic Heart (2023) is 3 years older than ASPIS (2026). Atomic Heart is Deck Verified on Steam Deck; ASPIS has no Deck rating yet. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose Atomic Heart

Choose Atomic Heart if you want a RPG game with Adjustable Text Size, Color Alternatives, and Playable without Timed Input. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 12,972 Steam reviews back the pick.

Choose ASPIS

Choose ASPIS if you want an Indie experience. On Steam, it's the newer release (2026) and ships with the modern feature baseline. ASPIS launched in 2026.

Both Atomic Heart and ASPIS sit in Action and Adventure on Steam and both list Camera Comfort, Custom Volume Controls, and Stereo Sound, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Atomic Heart vs ASPIS — Steam metadata comparison
	Atomic Heart	ASPIS
Released	2023	2026
Genres	Action, Adventure, RPG	Action, Indie, Adventure
Platforms	Windows	Windows
Steam Deck	Deck Verified	Unrated
Price	59.99 USD	Price unknown
Steam reviews	78.1% positive (12,972 reviews)	—
Multiplayer	Single-player only	Single-player only
Developers	Mundfish	Dream Wire Games

Side by side

Both share Action, Adventure on Steam.
Atomic Heart (2023) is 3 years older than ASPIS (2026).
Atomic Heart is Deck Verified on Steam Deck; ASPIS has no Deck rating yet.